+3 for Landahl. Lawrence has two good ones; Clinton Lake, and if you take a few extra minutes to venture into Lawrence, there is the river trail. The river trail is mostly groomed dirt with few major obstacles, but if you're in decent shape you can clear the nearly 10 minutes in well under an hour. There is also Perry Lake, but that's a bit off the beaten path and requires a park pass.

Topeka has a decent trail, too. It is not too far off of I-70 and runs around the Governor's mansion.

'08 Specialized Rockhopper Comp Disc (Stolen). I hope you break both kneecaps of the jerk who stole you.